Yes, you can download and run javascript based apps offline on the iPhone and iPad.

Objective-C

Mac OS X ships with a library called PDFKit for rendering PDFs. Preview.app uses PDFKit. I believe the SchubertIT plugin also used PDFKit. Safari also uses PDFKit to render PDFs. This doesn't mean that Safari's PDF support is the same thing as SchubertIT.

So you're saying she should trade the illusion of sexual attraction for computer services? Fuck off and die.